Pennsylvania: Philadelphia
39/51To put it simply, you'll never run out of things to do in Philly. Whether it be the Liberty Bell, Independence Hall, the National Constitution Center or a trip to nearby Valley Forge, the historical sights will leave in awe of America's revolutionary quest for self-determination. As far as modern-day wonders, you can't end your spring break without taking a selfie after jogging up the "Rocky Steps" at the Philadelphia Museum of Art.